diff --git a/ts/a11y/explorer.ts b/ts/a11y/explorer.ts
index 7964807c0..3fe4ae6e1 100644
--- a/ts/a11y/explorer.ts
+++ b/ts/a11y/explorer.ts
@@ -380,9 +380,9 @@ export function ExplorerMathDocumentMixin<
       },
       'mjx-container > mjx-help': {
         display: 'none',
-        position: 'absolute',
-        top: '-.33em',
-        right: '-.5em',
+        position: 'sticky',
+        inset: '-100% 0 100% 0',
+        margin: '-.3em -.5em 0 -.1em',
         width: '.6em',
         height: '.6em',
         cursor: 'pointer',
diff --git a/ts/output/common.ts b/ts/output/common.ts
index 23e04e865..4f6ce8377 100644
--- a/ts/output/common.ts
+++ b/ts/output/common.ts
@@ -167,8 +167,8 @@ export abstract class CommonOutputJax<
       display: 'block',
       'text-align': 'center',
       'justify-content': 'center',
-      margin: 'calc(1em - 2px) 0',
-      padding: '2px 0',
+      margin: '.7em 0',
+      padding: '.3em 2px',
     },
     'mjx-container[display][width="full"]': {
       display: 'flex',
@@ -374,7 +374,8 @@ export abstract class CommonOutputJax<
       this.math.display
     ) {
       const w = wrapper.getOuterBBox().w;
-      const W = this.math.metrics.containerWidth / this.pxPerEm;
+      const W =
+        Math.max(0, this.math.metrics.containerWidth - 4) / this.pxPerEm;
       if (w > W && w) {
         scale *= W / w;
       }